Pith Number

pith:EHHMUCD3

pith:2010:EHHMUCD34AMUPQBI2YODKGS6IQ

not attested not anchored not stored refs pending

Identifying Bright Stars in Crowded Environments Using Velocity Dispersion Measurements, and an Application to the Center of M32

P. J. McGregor, T. J. Davidge, T. L. Beck

arxiv:1001.0412 v2 · 2010-01-03 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHHMUCD34AMUPQBI2YODKGS6IQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:10:05.544572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ceca087be01947c028d61c351a5e4403c4d8a4486468d4232140da808a0d4d

Aliases

arxiv: 1001.0412 · arxiv_version: 1001.0412v2 · doi: 10.48550/arxiv.1001.0412 · pith_short_12: EHHMUCD34AMU · pith_short_16: EHHMUCD34AMUPQBI · pith_short_8: EHHMUCD3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EHHMUCD34AMUPQBI2YODKGS6IQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 21ceca087be01947c028d61c351a5e4403c4d8a4486468d4232140da808a0d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f664e28e9e7b3c94e33d4e726a1354e54d5c269044120c465f593513dc87404f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-03T21:26:27Z",
    "title_canon_sha256": "037c3d66e0af78299a53de0908a5fc13241cc9fef32d2d2e7139beb2197f90c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0412",
    "kind": "arxiv",
    "version": 2
  }
}